Materials Literature
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The corrosion inhibition properties of triazole derivative via 3,4-diamino-1,2,4-triazole (TRD) were investigated by the electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization methods. The results of electrochemical research revealed that the TRD was adsorbed on the metal surface by adsorption m…
We present large-scale lattice Monte Carlo simulations of nematic ordering in the vicinity of submicron objects — colloids or viruses — of different shapes (spherical, cubical or icosahedral) immersed in a nematic liquid crystal. We simulate polarized light transmission patterns for the various particles and find that…
Marangoni convection is a flow resulting from a surface tension gradient at air/liquid interface caused by temperature gradient, concentration of surfactant or applied electric field. Marangoni convection when caused by temperature gradient is also known as thermo-capillary effect. A microgravity condition presents an…
The use of advanced solid-state NMR methods, combined with first-principles calculations, highlight for the first time the formation of penta-coordinated scandium in activated Sc3BTB2 and MIL-100(Sc) MOFs upon dehydration. These coordinatively unsaturated sites correspond to the Lewis acid sites in MIL-100(Sc), respon…
Chou, and Fasman developed the first empirical prediction method to predict secondary structure of proteins from their amino acid sequences. Subsequently, a more sophisticated GOR method has been developed. Although it became very popular among biologists, their accuracy was only slightly better than random. A signifi…
Loputoo raames sai projekteeritud hudrauliline press hulsside paigaldamiseks metsatostuki koostamisel ettevottele Palmse Mehaanikakoda OU. Seade voimaldab paigaldada hulsse ilma varvi kahjustamata, mis omakorda voimaldab hulsid enne paigaldamist varvida pulbervarvimise tehnoloogiat kasutades. Lisaks vahendab seade too…
The Helium (He) gas Cooled Ceramic Breeder (HCCB) test blanket module (TBM) is the primary option of the Chinese TBM program. In order to enhance the cooling ability of the first wall (FW) of the HCCB TBM and reduce the circulation power, a binary mixtures gas of He gas and additive CO2 deserves to be another option f…
The Inside Cover picture illustrates that novel precious-metal-free cathode materials, Co3O4 nanoparticle-incorporated mesoporous Beta zeolites, can show synergetic catalytic effects for the oxygen reduction reaction. More details can be found in the Article by J. Zhou et al. on page 1279 in Issue 6, 2017 (DOI: 10.100…
The fatal event occurred in Fukushima Daiichi NPP, focused the e orts of many R&D organiza- tions towards the comprehensive study of the accident sequence, in order to better understand the phenomenology which took place throughout the whole accident. The development of powerful analytical tools and advanced plant mod…
The protonation behaviour of polycationic compounds has direct relevance to their ability to condense and deliver nucleic acids. This report pertains to a study of the protonation behaviour of polycationic poly(propyl ether imine) (PETIM) dendritic gene delivery vectors that are constituted with tertiary amine core mo…
The article describes the problem of drying painted parts of the hull when deviation from recommended temperature leads to uneven and slow drying. The problem solution is to conduct painting and drying of finished products in specially equipped tents where temperature is artificially maintained. If outside temperature…
To clarify their potential as atomic force microscope (AFM) memory media, the nanometer‐scale mechanical processing properties of untreated and fluorocarbon plasma‐treated polycarbonate samples were determined via the sliding of an AFM tip. The surface energy of the polycarbonate was reduced by the fluorocarbon plasma…
Perovskite-type oxide catalyst-based carbon electrodes were studied as air electrodes for aqueous lithium-air secondary batteries, which were comprised of a carbon black air electrode with La 0.8 Sr 0.2 Fe 0.8 Mn 0.2 O 3 catalyst, an aqueous electrolyte solution of saturated LiOH with 10 M LiCl, and a water-stable lit…
The nonuniformity of local temperature, voltage and current in the high temperature proton exchange membrane fuel cell stack can accelerate the aging of membrane electrode assembly (MEA) and the failure of overall fuel cell stack. This study used micro-electro-mechanical systems (MEMS) technology to integrate micro te…
. There is experimentally investigated the evolution of the structure at casting of materials in hard-liquid state by method of thixocompacting by the example of fusible systems. There are determined the temporary dependencies of the particles diameters, distances between their centers and porosity under different con…
A Grand-canonical Monte-Carlo simulation method extended to simulate a mixture of salts is presented. Due to charge neutrality requirement of electrolyte solutions, ions must be added to or removed from the system in groups. This leads to some complications compared to regular Grand Canonical simulation. Here, a recip…
Abstract The characteristics of InGaN-based flip-chip light-emitting diodes (LEDs) with Al-graded-composition GaN/AlGaN multiple electron-blocking layers (MEBLs) are investigated. Results showed that MEBL LED samples with differently graded Al mole fractions possess a higher light output power and a lower efficiency d…
Crystals with rare-earth ions could lead to quantum repeaters that enable secure quantum communications over long distances.
In this article, we consider the volume-planning composition of Orthodox churches, proportional systems of stone and wooden churches, irrational relations, Old Russian measures, used in the breakdown of plans and height dimensions in the construction of churches.
As a kind of powered machine possess high heat efficiency and reliability, diesel engines have been widely used in the production of all aspects of life. However, with the gradually attention to the environmental problems, the emissions from diesel engines have been a large obstacle to constraining diesel engines deve…